EASY
8th CBSE
IMPORTANT
Earn 100

Is sugar an electrolyte or non-electrolyte?

Important Questions on Chemical Effects of Electric Current

EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 14 - Chemical Effects of Electric Current>Chapter Test>Q 7

Give two examples of conductor.


EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 14 - Chemical Effects of Electric Current>Chapter Test>Q 8

Zinc is not plated on iron. Is it correct?


EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 14 - Chemical Effects of Electric Current>Chapter Test>Q 9
Explain the process to decompose water into hydrogen and oxygen.
MEDIUM
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 14 - Chemical Effects of Electric Current>Chapter Test>Q 10
Explain, why does a brand new bicycle, have shining handlebar and wheel rims. What will happen if these are accidentally scratched?
MEDIUM
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 14 - Chemical Effects of Electric Current>Chapter Test>Q 11
For electroplating copper on an iron object, which terminal of the battery is connected to the iron object? Which electrolyte is used for this purpose?
EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 14 - Chemical Effects of Electric Current>Chapter Test>Q 12

Differentiate between electrolytes and non-electrolyte.


EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 14 - Chemical Effects of Electric Current>Chapter Test>Q 13

Define cathode and anode.


EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 14 - Chemical Effects of Electric Current>Chapter Test>Q 14

Why chromium is used for electroplating?